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- #21
Not interested in zinc, but, it is a good angle to consider, just not my approach. Also, I'm sticking with a gasoline engine oil, as it is engineered for modern fuel.
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If you’re trying to increase oil pressure then run 20-50 , if you’re trying to improve lubrication for a flat tappet engine then use a zinc additive. Zinc is natures way to smooth operationView attachment 3165635
My take on Redline’s diagram & description is, that the ratio of oil to the filter vs oil direct to the engine is not adjustable. It may alter a bit only by engine clearances vs filter efficiency. And the regulator is more like a relief valve that only comes into play when the pressure exceeds the pre-set pressure (50psi) and relieves it directly back to the oil pan.The Redline diagram makes it look like extra pressure gets dumped in the pan if it can't filter
Ok, so which do you believe to be correct?
Or, the higher pressure from higher rpm.The Redline diagram makes it look like extra pressure gets dumped in the pan if it can't filter or lube?